# Meta React Server Components (Turbopack) vulnerabilities

Source: https://junglewise.ai/threats/technologies/react-server-components-turbopack  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/react-server-components-turbopack.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 11 vulnerabilities in Meta React Server Components (Turbopack): 1 in the last 7 days and 1 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-126187, was published on 10 November 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 1
- Last 30 days: 1
- Last 90 days: 1
- All time: 11 (1 critical, 0 exploited in the wild)

## About Meta React Server Components (Turbopack)

React Server Components implementation for the Turbopack bundler.

## Latest Meta React Server Components (Turbopack) vulnerabilities

- [CVE-2026-126187: React Server Components remote code execution via deserialization](https://junglewise.ai/threats/cve-2026-126187-react-unauthenticated-remote-code-execution-in-react-server) (critical, CVSS 4, published 10 Nov 2026)
- [CVE-2026-44907: Meta React denial of service in Server Functions](https://junglewise.ai/threats/cve-2026-44907-meta-react-denial-of-service-in-server-functions) (high, CVSS 7.5, published 21 Jul 2026)
- [Next.js and React denial of service in Server Components](https://junglewise.ai/threats/next-js-and-react-denial-of-service-in-server-components-b02b7bc4) (high, CVSS 7.5, published 11 May 2026)
- [CVE-2026-23869: Meta React Server Components denial of service in Server Functions](https://junglewise.ai/threats/cve-2026-23869-meta-react-server-components-denial-of-service-in-server) (high, CVSS 7.5, published 8 Apr 2026)
- [Next.js HTTP request deserialization denial of service in Server Components](https://junglewise.ai/threats/next-js-http-request-deserialization-denial-of-service-in-server-63dde111) (low, CVSS 3.1, published 28 Jan 2026)
- [CVE-2026-23864: Meta React Server Components denial of service in Server Function endpoints](https://junglewise.ai/threats/cve-2026-23864-meta-react-server-components-denial-of-service-in-server-function) (high, CVSS 7.5, published 26 Jan 2026)
- [CVE-2025-67779: It was found that the fix addressing in React Server Components was incomplete and does not prevent a denial of service…](https://junglewise.ai/threats/cve-2025-67779-react-server-components-denial-of-service-via-incomplete-patch) (high, CVSS 7.5, published 12 Dec 2025)
- [CVE-2025-55184: A pre-authentication denial of service vulnerability exists in React Server Components versions 19.0.0, 19.0.1 19.1.0…](https://junglewise.ai/threats/cve-2025-55184-meta-react-server-components-denial-of-service-via-unsafe) (high, CVSS 7.5, published 11 Dec 2025)
- [CVE-2025-55183: An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1…](https://junglewise.ai/threats/cve-2025-55183-react-server-components-source-code-exposure) (medium, CVSS 5.3, published 11 Dec 2025)
- [React Server Components remote code execution via deserialization](https://junglewise.ai/threats/react-server-components-remote-code-execution-via-deserialization-daaaee75) (low, CVSS 3.1, published 3 Dec 2025)
- [Next.js remote code execution in React Server Components](https://junglewise.ai/threats/next-js-remote-code-execution-in-react-server-components-29cc5f6b) (low, CVSS 3.1, published 3 Dec 2025)

## Most severe Meta React Server Components (Turbopack) vulnerabilities

- [CVE-2026-126187: React Server Components remote code execution via deserialization](https://junglewise.ai/threats/cve-2026-126187-react-unauthenticated-remote-code-execution-in-react-server) (critical, CVSS 4, published 10 Nov 2026)
- [CVE-2025-55184: A pre-authentication denial of service vulnerability exists in React Server Components versions 19.0.0, 19.0.1 19.1.0…](https://junglewise.ai/threats/cve-2025-55184-meta-react-server-components-denial-of-service-via-unsafe) (high, CVSS 7.5, published 11 Dec 2025)
- [CVE-2025-67779: It was found that the fix addressing in React Server Components was incomplete and does not prevent a denial of service…](https://junglewise.ai/threats/cve-2025-67779-react-server-components-denial-of-service-via-incomplete-patch) (high, CVSS 7.5, published 12 Dec 2025)
- [CVE-2026-23864: Meta React Server Components denial of service in Server Function endpoints](https://junglewise.ai/threats/cve-2026-23864-meta-react-server-components-denial-of-service-in-server-function) (high, CVSS 7.5, published 26 Jan 2026)
- [CVE-2026-23869: Meta React Server Components denial of service in Server Functions](https://junglewise.ai/threats/cve-2026-23869-meta-react-server-components-denial-of-service-in-server) (high, CVSS 7.5, published 8 Apr 2026)
- [CVE-2026-44907: Meta React denial of service in Server Functions](https://junglewise.ai/threats/cve-2026-44907-meta-react-denial-of-service-in-server-functions) (high, CVSS 7.5, published 21 Jul 2026)
- [Next.js and React denial of service in Server Components](https://junglewise.ai/threats/next-js-and-react-denial-of-service-in-server-components-b02b7bc4) (high, CVSS 7.5, published 11 May 2026)
- [CVE-2025-55183: An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1…](https://junglewise.ai/threats/cve-2025-55183-react-server-components-source-code-exposure) (medium, CVSS 5.3, published 11 Dec 2025)
- [Next.js HTTP request deserialization denial of service in Server Components](https://junglewise.ai/threats/next-js-http-request-deserialization-denial-of-service-in-server-63dde111) (low, CVSS 3.1, published 28 Jan 2026)
- [React Server Components remote code execution via deserialization](https://junglewise.ai/threats/react-server-components-remote-code-execution-via-deserialization-daaaee75) (low, CVSS 3.1, published 3 Dec 2025)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 1 | 1 | 0 |

## Other Meta technologies

- [Meta React Server Components (Parcel)](https://junglewise.ai/threats/technologies/react-server-components-parcel): 11 vulnerabilities
- [Meta React Server Components (Webpack)](https://junglewise.ai/threats/technologies/react-server-components-webpack): 11 vulnerabilities
- [Meta Proxygen](https://junglewise.ai/threats/technologies/meta-proxygen): 6 vulnerabilities
- [Meta Hermes](https://junglewise.ai/threats/technologies/hermes): 4 vulnerabilities
- [Meta WhatsApp for iOS](https://junglewise.ai/threats/technologies/whatsapp-for-ios): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Meta React Server Components (Turbopack) vulnerabilities", https://junglewise.ai/threats/technologies/react-server-components-turbopack, 12 November 2026.